Concrete is resistant to wind, hurricanes, floods, and fire. Concrete, as a structural material and as the building exterior skin, has the ability to withstand nature. BuildBlock Insulating Concrete Forms ICFs are one of the strongest and most energyefficient building materials available today. ReddiForm produces insulated concrete forms ICFs used in constructing solid, energyefficient concrete homes or buildings. RONA carries Cement, Concrete, Mortar for your Building Supplies renovationdecorating projects. Find the right stuff to help your home improvement project. Stone Source Natural Stone Porcelain Tile 2. Uefa Champions League 2005 Game. Stone Source LLC. All rights reserved. INTRODUCTION This publication is a design manual to be used in conjunction with concrete engineering principles. The design data included in this Technical Data.